/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package com.upao.controller;

import com.google.appengine.api.datastore.Entity;
import com.upao.util.DBUser;
import java.io.IOException;
import java.io.PrintWriter;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author Rey
 */
public class UserServlet extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException, ParseException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            if (request.getParameter("action").equals("createUser")) {
                String nombres = request.getParameter("nombres");
                String ape_materno = request.getParameter("ape_materno");
                String ape_paterno = request.getParameter("ape_paterno");
                String correo = request.getParameter("correo");
                String fechaStr = request.getParameter("fecha_nacimiento");
                //
                Date fecha = null;
                SimpleDateFormat formatFecha = new SimpleDateFormat("dd/MM/yyyy");
                fecha = formatFecha.parse(fechaStr);
                //
                String password = request.getParameter("password");
                DBUser.save(nombres, ape_paterno, ape_materno, correo, fecha, password);

                RequestDispatcher rd = getServletContext().getRequestDispatcher("/index.jsp");
                rd.forward(request, response);
            } else if (request.getParameter("action").equals("loginUser")) {
                try{
                String correo = request.getParameter("correo");
                String password = request.getParameter("password");
                Entity user = DBUser.getEntityUserByEmail(correo);
                String nombres = user.getProperty("nombres").toString();
                if (user != null) {
                    if (user.getProperty("password").equals(password)) {
                        //
                        HttpSession sesion=request.getSession(true);
                        sesion.setAttribute("nombres",nombres);
                        System.out.println(sesion.getAttribute("nombres"));
                        
                        request.getSession().setAttribute("user", user);
                        
                        request.setAttribute("user", user);
                        String path = "/JSP/DashBoard.jsp";
                        RequestDispatcher rd = getServletContext().getRequestDispatcher(path);
                        rd.forward(request, response);
                    } else {
                        request.setAttribute("actionError", "Contraseña incorrecta.");
                        RequestDispatcher rd = getServletContext().getRequestDispatcher("/index.jsp");
                        rd.forward(request, response);
                    }
                }else {
                    request.setAttribute("actionError", "No existe un usuario con ese email.");
                    request.setAttribute("actionError", "Contraseña incorrecta.");
                    RequestDispatcher rd = getServletContext().getRequestDispatcher("/index.jsp");
                    rd.forward(request, response);
                }
                }catch(Exception e){
                     RequestDispatcher rd = getServletContext().getRequestDispatcher("/index.jsp");
                    rd.forward(request, response);
                }
            } else if (request.getParameter("action").equals("logOutUser")) {
                String path = "/index.jsp";
                RequestDispatcher rd = getServletContext().getRequestDispatcher(path);
                rd.forward(request, response);
            } else {
            }
        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        try {
            processRequest(request, response);
        } catch (ParseException ex) {
            Logger.getLogger(UserServlet.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        try {
            processRequest(request, response);
        } catch (ParseException ex) {
            Logger.getLogger(UserServlet.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
